<template>
  <view>
    <!-- 搜索区域 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
   <!-- 分类导航区域 -->
   <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
   </view>
   
   <!-- 楼层区域 -->
   <!-- 楼层的容器 -->
   <view class="floor-list">
     <!-- 楼层的item项 -->
     <view class="floor-item" v-for="(item, i) in floorList" :key="i">
       <!-- 楼层的标题 -->
       <image :src="item. floor_title.image_src" class="floor-title"></image>
       <!-- 楼层的图片区域 -->
       <view class="floor-img-box">
         <!-- 左侧的大图片 -->
         <navigator class="left-img-box" :url="item.product_list[0].url">
           <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
         </navigator>
         <!-- 右侧的4个小图片 -->
         <view class="right-img-box">
           <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2!==0"
           :url="item2.url">
             <image :src="item2.image_src" :style="{width:item2.image_width + 'rpx'}" mode="widthFix"></image>
           </navigator>
         </view>
       </view>
     </view>
   </view>
   
   
   </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        // 首页轮播图的数据列表
        swiperList:[],
        // 首页分类导航的数据列表
        navList: [],
        // 首页楼层列表的数据
        floorList:[]
      };
    },
    onLoad() {
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
     methods: {
        // 3. 获取轮播图数据的方法
        async getSwiperList() {
          // 3.1 发起请求
          const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
          // 3.2 请求失败
          if (res.meta.status !== 200) return uni.$showMsg()
          // 3.3 请求成功，为 data 中的数据赋值
          this.swiperList = res.message
          uni.$showMsg('数据请求成功')
        },
        async getNavList() {
             const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
             if (res.meta.status !== 200) return uni.$showMsg()
             this.navList = res.message
           },
           navClickHandler(item) {
             if(item.name==='分类') {
               uni.switchTab({
                 url:'/pages/cate/cate'
               })
             }
           },
          async getFloorList() {
           const {data: res} = await uni.$http.get('/api/public/v1/home/floordata')
           if(res.meta.status !== 200) return uni.$showMsg()
           
           // 对数据进行处理
           res.message.forEach(floor => {
             floor.product_list.forEach(prod => {
               prod.url="/subpkg/goods_list/goods_list?" + prod.navigator_url.split('?')[1]
             })
           })
           this.floorList = res.message
           },
           gotoSearch() {
             uni.navigateTo({
               url:'/subpkg/search/search'
             })
           }
      },
}
</script>

<style lang="scss">
  swiper {
    height: 330rpx;
    
    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }
  
  .nav-list {
    display: flex;
    margin: 15px 0 ;
    justify-content: space-around;
    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }
  .floor-title {
    width: 100%;
    height: 60rpx;
  }
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
  
  .search-box {
    position: sticky;
    top: 0;
    z-index: 999;
  }
</style>
